Answer:
Step-by-step explanation:
There is a 1/5 chance she spins a 1. (1/5 = 20% = 0.2)
She spins 20 times:
20 * 0.2 = 4
So she should expect getting 4 twos.
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Answer:
D. is your answer
Step-by-step explanation:

The range is 6. because the highest number is 21 and the lowest is 15.
(21-15=6). hope i helped !
X=20
y=60
z=40
I guess this is true
what do u mean by ur question. it doesn't make sense